Home / 13,260,000.80-19,890,001.20-9,008,472.80

Finding the Fourth Proportional to 13,260,000.80, 19,890,001.20 and 9,008,472.80

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Solution

The fourth proportional to 13,260,000.80, 19,890,001.20 and 9,008,472.80 is: 13,512,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,000.80 : 19,890,001.20 = 9,008,472.80 : x
  2. Step 2: Convert to fraction form
    13,260,000.80/19,890,001.20 = 9,008,472.80/x
  3. Step 3: Cross multiply
    13,260,000.80x = 19,890,001.20 × 9,008,472.80
  4. Step 4: Simplify right side
    13,260,000.80x = 179,178,534,802,167.38
  5. Step 5: Solve for x
    x = 179,178,534,802,167.38/13,260,000.80
  6. Step 6: Final answer
    x = 13,512,709.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.